2 * Copyright © 2015, 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.vpnmanager.api;
10 import com.google.common.base.Optional;
12 import java.util.ArrayList;
13 import java.util.Collections;
14 import java.util.List;
15 import java.util.concurrent.ExecutionException;
17 import org.eclipse.jdt.annotation.NonNull;
18 import org.eclipse.jdt.annotation.Nullable;
19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
20 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceOpData;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.VpnInstanceToVpnId;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryKey;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnListKey;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.VpnInstances;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.VpnInterfaces;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstanceKey;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.interfaces.VpnInterface;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.interfaces.VpnInterfaceKey;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.interfaces.vpn._interface.VpnInstanceNames;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.interfaces.vpn._interface.VpnInstanceNames.AssociatedSubnetType;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.interfaces.vpn._interface.VpnInstanceNamesBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.SubnetmapKey;
41 import org.opendaylight.yangtools.yang.binding.DataObject;
42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
43 import org.opendaylight.yangtools.yang.common.Uint64;
45 public final class VpnHelper {
50 //FIXME: Implement caches for DS reads
52 public static VpnInstance getVpnInstance(DataBroker broker, String vpnInstanceName) {
53 InstanceIdentifier<VpnInstance> id = InstanceIdentifier.builder(VpnInstances.class).child(VpnInstance.class,
54 new VpnInstanceKey(vpnInstanceName)).build();
55 Optional<VpnInstance> vpnInstance = read(broker, LogicalDatastoreType.CONFIGURATION, id);
56 return (vpnInstance.isPresent()) ? vpnInstance.get() : null;
59 public static <T extends DataObject> Optional<T> read(DataBroker broker, LogicalDatastoreType datastoreType,
60 InstanceIdentifier<T> path) {
61 try (ReadOnlyTransaction tx = broker.newReadOnlyTransaction()) {
62 return tx.read(datastoreType, path).get();
63 } catch (InterruptedException | ExecutionException e) {
64 throw new RuntimeException(e);
68 public static List<VpnInstance> getAllVpnInstances(DataBroker broker) {
69 InstanceIdentifier<VpnInstances> id = InstanceIdentifier.builder(VpnInstances.class).build();
70 Optional<VpnInstances> optVpnInstances = read(broker, LogicalDatastoreType.CONFIGURATION, id);
71 if (optVpnInstances.isPresent() && optVpnInstances.get().getVpnInstance() != null) {
72 return optVpnInstances.get().getVpnInstance();
74 return Collections.emptyList();
79 * Retrieves the dataplane identifier of a specific VPN, searching by its
82 * @param broker dataBroker service reference
83 * @param vpnName Name of the VPN
84 * @return the dataplane identifier of the VPN, the VrfTag.
86 public static long getVpnId(DataBroker broker, String vpnName) {
87 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn
90 = getVpnInstanceToVpnIdIdentifier(vpnName);
91 Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id
94 = read(broker, LogicalDatastoreType.CONFIGURATION, id);
96 if (vpnInstance.isPresent()) {
97 vpnId = vpnInstance.get().getVpnId().toJava();
102 static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911
103 .vpn.instance.to.vpn.id.VpnInstance> getVpnInstanceToVpnIdIdentifier(String vpnName) {
104 return InstanceIdentifier.builder(VpnInstanceToVpnId.class).child(org.opendaylight.yang.gen.v1.urn
105 .opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance.class,
106 new org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id
107 .VpnInstanceKey(vpnName)).build();
111 public static VpnInterface getVpnInterface(DataBroker broker, String vpnInterfaceName) {
112 InstanceIdentifier<VpnInterface> id = getVpnInterfaceIdentifier(vpnInterfaceName);
113 Optional<VpnInterface> vpnInterface = read(broker, LogicalDatastoreType.CONFIGURATION, id);
114 return vpnInterface.isPresent() ? vpnInterface.get() : null;
117 static InstanceIdentifier<VpnInterface> getVpnInterfaceIdentifier(String vpnInterfaceName) {
118 return InstanceIdentifier.builder(VpnInterfaces.class)
119 .child(VpnInterface.class, new VpnInterfaceKey(vpnInterfaceName)).build();
123 public static String getFirstVpnNameFromVpnInterface(final VpnInterface original) {
124 List<VpnInstanceNames> optList = original.getVpnInstanceNames();
125 if (optList != null && !optList.isEmpty()) {
126 return optList.get(0).getVpnName();
133 public static List<String> getVpnInterfaceVpnInstanceNamesString(@Nullable List<VpnInstanceNames> vpnInstanceList) {
134 List<String> listVpn = new ArrayList<>();
135 if (vpnInstanceList != null) {
136 for (VpnInstanceNames vpnInterfaceVpnInstance : vpnInstanceList) {
137 listVpn.add(vpnInterfaceVpnInstance.getVpnName());
143 public static VpnInstanceNames getVpnInterfaceVpnInstanceNames(String vpnName, AssociatedSubnetType subnetType) {
144 return new VpnInstanceNamesBuilder().setVpnName(vpnName).setAssociatedSubnetType(subnetType).build();
147 public static void removeVpnInterfaceVpnInstanceNamesFromList(String vpnName,
148 List<VpnInstanceNames> vpnInstanceList) {
149 if (vpnInstanceList != null) {
150 vpnInstanceList.removeIf(instance -> vpnName.equals(instance.getVpnName()));
154 public static boolean doesVpnInterfaceBelongToVpnInstance(String vpnName,
155 List<VpnInstanceNames> vpnInstanceList) {
156 if (vpnInstanceList != null) {
157 for (VpnInstanceNames vpnInstance : vpnInstanceList) {
158 if (vpnName.equals(vpnInstance.getVpnName())) {
166 public static boolean isSubnetPartOfVpn(Subnetmap sn, String vpnName) {
167 if (vpnName == null || sn == null) {
170 if (sn.getVpnId() == null || !sn.getVpnId().getValue().equals(vpnName)) {
176 static InstanceIdentifier<Subnetmap> buildSubnetmapIdentifier(Uuid subnetId) {
177 return InstanceIdentifier.builder(Subnetmaps.class)
178 .child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
182 /** Get Subnetmap from its Uuid.
183 * @param broker the data broker for look for data
184 * @param subnetUuid the subnet's Uuid
185 * @return the Subnetmap of Uuid or null if it is not found
188 public static Subnetmap getSubnetmapFromItsUuid(DataBroker broker, Uuid subnetUuid) {
190 InstanceIdentifier<Subnetmap> id = buildSubnetmapIdentifier(subnetUuid);
191 Optional<Subnetmap> optionalSn = read(broker, LogicalDatastoreType.CONFIGURATION, id);
192 if (optionalSn.isPresent()) {
193 sn = optionalSn.get();
198 public static InstanceIdentifier<VpnToDpnList> getVpnToDpnListIdentifier(String rd, Uint64 dpnId) {
199 return InstanceIdentifier.builder(VpnInstanceOpData.class)
200 .child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(rd))
201 .child(VpnToDpnList.class, new VpnToDpnListKey(dpnId)).build();